63107172 has 18 divisors (see below), whose sum is σ = 159520998. Its totient is φ = 21035712.

The previous prime is 63107137. The next prime is 63107183. The reversal of 63107172 is 27170136.

It can be written as a sum of positive squares in only one way, i.e., 63107136 + 36 = 7944^2 + 6^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 876453 + ... + 876524.

Almost surely, 2^63107172 is an apocalyptic number.

It is an amenable number.

63107172 is an abundant number, since it is smaller than the sum of its proper divisors (96413826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63107172 is a wasteful number, since it uses less digits than its factorization.

63107172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752987 (or 1752982 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 63107172 is about 7944.0022658607. The cubic root of 63107172 is about 398.1312244582.

The spelling of 63107172 in words is "sixty-three million, one hundred seven thousand, one hundred seventy-two".